solemnise vs Australian spelling

solemnise is not a noun while Australian spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
solemnise	No	No	Yes	No
Australian spelling	Yes	No	No	No

solemnise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

solemnise (verb)	Australian spelling (verb)
make solemn and grave
observe or perform with dignity or gravity
perform (the wedding ceremony) with proper ceremonies